// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/synchronization/cancellation_flag.h"

#include "base/logging.h"

namespace base {

void CancellationFlag::Set()
{
#if !defined(NDEBUG)
    DCHECK_EQ(set_on_, PlatformThread::CurrentId());
#endif
    base::subtle::Release_Store(&flag_, 1);
}

bool CancellationFlag::IsSet() const
{
    return base::subtle::Acquire_Load(&flag_) != 0;
}

void CancellationFlag::UnsafeResetForTesting()
{
    base::subtle::Release_Store(&flag_, 0);
}

} // namespace base
